CN204578064U - A kind of line protective devices with humidity alarm - Google Patents
A kind of line protective devices with humidity alarm Download PDFInfo
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- CN204578064U CN204578064U CN201520236403.6U CN201520236403U CN204578064U CN 204578064 U CN204578064 U CN 204578064U CN 201520236403 U CN201520236403 U CN 201520236403U CN 204578064 U CN204578064 U CN 204578064U
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Abstract
The utility model discloses a kind of line protective devices with humidity alarm, comprise master controller, also comprise the humidity alarm circuit being installed on line protective devices inside, humidity alarm circuit comprises induction module, when humidity is higher than output abnormality signal during preset voltage value; Respond module, is coupled to induction module, when the abnormal signal duration received more than the first preset time value time, send alarm signal; Alarm module, is coupled to respond module, when receiving alarm signal, reminds user abnormal conditions, when the alarm signal duration received more than the second preset time value time, send executive signal; Executive Module, is coupled to alarm module, when receiving executive signal, sending and jumping the signal of telecommunication; Protection switch, is connected between the feeder ear of master controller and power end, when receiving the jumping signal of telecommunication, disconnects the connection between the feeder ear of master controller and power end.
Description
Technical field
The utility model relates to a kind of line protective devices, and more particularly, it relates to a kind of line protective devices with humidity alarm.
Background technology
Line protective devices are mainly used in the protection observing and controlling of the spacer units of each electric pressure; possess perfect protection, measurement, control, automatic closing and communication monitoring function; for the protection and control of transformer station, power plant, high and low voltage electric distribution and station service electrical system provides total solution, the safe and stable operation of high-low pressure electrical network and station service electrical system effectively can be ensured.Can protect with other, together with automation equipment, form automated system by communication interface.
The main protection of line protective devices configuration has: three sections of overcurrent protections, overcurrent acceleration, overload, three-phase single shot reclosing, low-frequency load reduction, zero-sequencedirectional protection, PT break, control broken string, low-voltage variation, overvoltage protection etc.Be applicable to the route protection of below 110kV electric pressure.
But at present in the use of line protective devices; due to some specific environmental impacts; the normal use, the particularly work of some foil gauges and relay of meeting effect string line protection device, be very easy to by humidity effect; when humidity is larger; the contact that can affect relay is withstand voltage, and in this case, line protective devices cannot be brought into normal play effect; user can be had influence on to the judgement of circuit and monitoring demand, easily cause larger electricity consumption hidden danger.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of can humidity condition near automatic inspection line line protection device, when humidity is higher than preset value, delayed alarm also jumps the work of broken string line protection device.
For achieving the above object, the utility model provides following technical scheme: a kind of line protective devices with humidity alarm, comprise master controller, also comprise the humidity alarm circuit being installed on described line protective devices inside, described humidity alarm circuit comprises induction module, for detecting the ambient humidity, light and temperature situation of described line protective devices, when humidity is higher than output abnormality signal during preset voltage value; Respond module, is coupled to induction module, receive abnormal signal, when the abnormal signal duration received more than the first preset time value time, send alarm signal; Alarm module, is coupled to respond module, receiving alarm signal, when receiving alarm signal, reminds user abnormal conditions, when the alarm signal duration received more than the second preset time value time, send executive signal; Executive Module, is coupled to alarm module, receives executive signal, when receiving executive signal, sending and jumping the signal of telecommunication; Protection switch, is connected between the feeder ear of master controller and power end, when receiving the jumping signal of telecommunication, disconnects the connection between the feeder ear of master controller and power end.
Such setting, when line protective devices of the present utility model work under normal circumstances, induction module induction judges humidity size, and humidity simulation model is converted into the signal of telecommunication feeds back, humidity is no more than preset value, abnormal signal can not be sent, so subsequent module also can not work on, so line protective devices can normally work, but when line protective devices are inner or ambient humidity, light and temperature too high (such as at rainy day environment or when using in wet condition), the signal of telecommunication transformed judges through induction module, output abnormality signal, and judge that the accuracy of this abnormal model is (if in the higher situation of humidity environment via respond module, abnormal signal should be one section of continuous print level, if because magnetic field or temperature affect the signal transmission of element, so abnormal signal should be interrupted), if not the abnormal signal produced because of disturbance, so after time delay in short-term, send alarm signal, alarm module work simultaneously reminds user's the utility model plant running abnormal, and alarm module carries out a period of time time delay (the second preset value), during this period of time, if user solves abnormal conditions, alarm module can not send executive signal to exporting, mistake would not jump electricity like this, if but alarm module is after time delay, situation is still unresolved, so control Executive Module work, controller of the present utility model is made to jump electricity.
The utility model can be set to further: described induction module comprises test section, for detecting the ambient humidity, light and temperature of described line protective devices, and humidity size is converted into voltage signal; Reference section, for providing preset voltage value; Comparing section, arrange two inputs and an output, wherein two inputs are connected to test section and reference section, and for comparing the voltage that test section and reference section provide, output is used for output abnormality signal.
The utility model can be set to further: described respond module comprises switch portion, is connected to described comparing section output; First relay coil, is controlled by switch portion; First relay normally open contact, in response to the first relay coil adhesive; Very first time relay coil, for arranging very first time preset value, when coil obtains electric lasting very first time preset value, outputting alarm signal.
The utility model can be set to further: described alarm module comprises very first time relay normally open contact, in response to described very first time relay coil adhesive; Second time relay coil, is coupled to very first time relay normally open contact, for arranging the second time preset value, when coil obtains electric lasting second time preset value, exports executive signal; Buzzer, is coupled to the second time relay coil; Stand by lamp, is coupled to buzzer.
The utility model can be set to further: described Executive Module comprises the second time relay normally opened contact, in response to described second time relay coil adhesive; Second relay coil, is coupled to the second time relay normally opened contact, for the adhesive of Control protection switch.
Compared to prior art, the utility model creates following beneficial effect: arrange like this, when humidity is abnormal, user can be reminded, avoid error detection and monitoring, when user cannot solve the situation of humidity exception in time, electricity can also be jumped by automatic time delay and controller of the present utility model is quit work, avoid inner member and damage further because humidity is too high.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment circuit diagram one;
Fig. 2 is the utility model embodiment circuit diagram two.
Reference numeral: 1, induction module; 11, test section; 12, reference section; 13, comparing section; 21, switch portion; 22, judging part; 3, alarm module; 4, Executive Module; 5, master controller.
Embodiment
With reference to Fig. 1, the utility model embodiment is described further.
A kind of line protective devices with humidity alarm, comprise master controller 5, also comprise the humidity alarm circuit being installed on line protective devices inside, humidity alarm circuit comprises induction module 1, for the ambient humidity, light and temperature situation of detection line protective device, when humidity is higher than output abnormality signal during preset voltage value; Respond module (21 and 22), is coupled to induction module 1, receive abnormal signal, when the abnormal signal duration received more than the first preset time value time, send alarm signal; Alarm module 3, is coupled to respond module (21 and 22), receiving alarm signal, when receiving alarm signal, reminds user abnormal conditions, when the alarm signal duration received more than the second preset time value time, send executive signal; Executive Module 4, is coupled to alarm module 3, receives executive signal, when receiving executive signal, sending and jumping the signal of telecommunication; Protection switch km2, between the feeder ear being connected to master controller 5 and power end, when receiving the jumping signal of telecommunication, disconnects the connection between the feeder ear of master controller 5 and power end.
Such setting, when line protective devices of the present utility model work under normal circumstances, induction module 1 induction judges humidity size, and humidity simulation model is converted into the signal of telecommunication feeds back, humidity is no more than preset value, abnormal signal can not be sent, so subsequent module also can not work on, so line protective devices can normally work, but when line protective devices are inner or ambient humidity, light and temperature too high (such as at rainy day environment or when using in wet condition), the signal of telecommunication transformed judges through induction module 1, output abnormality signal, and judge that the accuracy of this abnormal model is (if in the higher situation of humidity environment via respond module (21 and 22), abnormal signal should be one section of continuous print level, if because magnetic field or temperature affect the signal transmission of element, so abnormal signal should be interrupted), if not the abnormal signal produced because of disturbance, so after time delay in short-term, send alarm signal, alarm module 3 works and reminds user's the utility model plant running abnormal simultaneously, and alarm module 3 carries out a period of time time delay (the second preset value), during this period of time, if user solves abnormal conditions, alarm module 3 can not send executive signal to exporting, mistake would not jump electricity like this, if but alarm module 3 is after time delay, situation is still unresolved, so control Executive Module 4 to work, controller of the present utility model is made to jump electricity.
Induction module 1 comprises test section 11, for the ambient humidity, light and temperature of detection line protective device, and humidity size is converted into voltage signal; It comprises the 3rd resistance R3 and the quick resistance of positive coefficient humidity that are arranged in series, and intermediate node provides electrical signal voltage value, and wherein the resistance of the 3rd resistance R3 is set to 470 ohm.
Reference section 12, for providing preset voltage value, comprise the first resistance R1 be arranged in series, second resistance R2 and adjustable resistance RP, the node that first resistance R1 and the second resistance R2 couples formation provides comparative voltage, like this by regulating the resistance of adjustable resistance RP, just can realize the control to reference section 12 collection signal, to ensure difference environmentally to arrange different gear value, and when regulating, reference voltage to zero can not be made, to ensure the normal output of abnormal signal, adjustable resistance RP maximum value is set to 1 kilohm, second resistance R2 resistance is set to 300 ohm, first resistance R1 resistance equals the 3rd resistance R3 resistance, be set to 470 ohm.
Comparing section 13, arranges two inputs and an output, and wherein two inputs are connected to test section 11 and reference section 12, for comparing the voltage that test section 11 and reference section 12 provide, output is used for output abnormality signal, and comparing section 13 comprises a comparator, and its model elects LM335 as.
Respond module (21 and 22) comprises switch portion 21, is connected to comparing section 13 output, it is made up of two parts, and switch portion comprises the 5th resistance R5 and the 4th resistance R4 that are arranged in series, and its intermediate node connects the control pole of a switching tube, and the controlled terminal of switching tube, then for controlling the first relay coil KM1, is controlled by switch portion 21, first relay normally open contact km1, in response to the first relay coil KM1 adhesive, judging part 22 comprises very first time relay coil KT1, for arranging very first time preset value, when coil obtains electric lasting very first time preset value, outputting alarm signal, described 5th resistance R5 resistance elects 470 ohm as, 4th resistance R4 resistance elects 100 ohm as, switching tube model elects 9014 as, , very first time relay set of time is 1 second, that is when respond module (21 and 22) receive signal more than 1 second after, just can trigger alerts module 3 work, when the signal of discontinuity exports, very first time relay all can reset and again count, have ignored because environment reason causes disturbing influence.
Alarm module 3 comprises very first time relay normally open contact kt1, in response to very first time relay coil KT1 adhesive, second time relay coil KT2, is coupled to very first time relay normally open contact kt1, for arranging the second time preset value, when coil obtains electric lasting second time preset value, exports executive signal, buzzer, is coupled to the second time relay coil KT2, stand by lamp, be coupled to buzzer, second time relay set of time is 1 minute, if because humidity needs to affect electricity component, need to form at element surface the time that condensation knot needs at least 10 minutes, if user is can by Resolving probiems after the stand by lamp of alarm module 3 and buzzer prompting, so can not affect its normal observing and controlling, if but 1 minute problem does not solve, so master control meeting power down because of Executive Module 4 action, but alarm module 3 remains and is in obtain electricity condition, can continue to report to the police, this arranges the relatively independent power supply of circuit, can not the normal use of effect string line protection device.
Executive Module 4 comprises the second time relay normally opened contact kt2, in response to the second time relay coil KT2 adhesive; Second relay coil KM2, is coupled to the second time relay normally opened contact kt2, for Control protection switch km2 adhesive.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. the line protective devices with humidity alarm, comprise master controller, it is characterized in that: also comprise the humidity alarm circuit being installed on described line protective devices inside, and described humidity alarm circuit comprises
Induction module, for detecting the ambient humidity, light and temperature situation of described line protective devices, when humidity is higher than output abnormality signal during preset voltage value;
Respond module, is coupled to induction module, receive abnormal signal, when the abnormal signal duration received more than the first preset time value time, send alarm signal;
Alarm module, is coupled to respond module, receiving alarm signal, when receiving alarm signal, reminds user abnormal conditions, when the alarm signal duration received more than the second preset time value time, send executive signal;
Executive Module, is coupled to alarm module, receives executive signal, when receiving executive signal, sending and jumping the signal of telecommunication;
Protection switch, is connected between the feeder ear of master controller and power end, when receiving the jumping signal of telecommunication, disconnects the connection between the feeder ear of master controller and power end.
2. a kind of line protective devices with humidity alarm according to claim 1, is characterized in that: described induction module comprises
Test section, for detecting the ambient humidity, light and temperature of described line protective devices, and is converted into voltage signal by humidity size;
Reference section, for providing preset voltage value;
Comparing section, arrange two inputs and an output, wherein two inputs are connected to test section and reference section, and for comparing the voltage that test section and reference section provide, output is used for output abnormality signal.
3. a kind of line protective devices with humidity alarm according to claim 2, is characterized in that: described respond module comprises
Switch portion, is connected to described comparing section output;
First relay coil, is controlled by switch portion;
First relay normally open contact, in response to the first relay coil adhesive;
Very first time relay coil, for arranging very first time preset value, when coil obtains electric lasting very first time preset value, outputting alarm signal.
4. a kind of line protective devices with humidity alarm according to claim 3, is characterized in that: described alarm module comprises
Very first time relay normally open contact, in response to described very first time relay coil adhesive;
Second time relay coil, is coupled to very first time relay normally open contact, for arranging the second time preset value, when coil obtains electric lasting second time preset value, exports executive signal;
Buzzer, is coupled to the second time relay coil;
Stand by lamp, is coupled to buzzer.
5. a kind of line protective devices with humidity alarm according to claim 4, is characterized in that: described Executive Module comprises
Second time relay normally opened contact, in response to described second time relay coil adhesive;
Second relay coil, is coupled to the second time relay normally opened contact, for the adhesive of Control protection switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236403.6U CN204578064U (en) | 2015-04-17 | 2015-04-17 | A kind of line protective devices with humidity alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236403.6U CN204578064U (en) | 2015-04-17 | 2015-04-17 | A kind of line protective devices with humidity alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578064U true CN204578064U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520236403.6U Expired - Fee Related CN204578064U (en) | 2015-04-17 | 2015-04-17 | A kind of line protective devices with humidity alarm |
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| CN (1) | CN204578064U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703928A (en) * | 2017-11-22 | 2018-02-16 | 贵州智慧能源科技有限公司 | Control system and protection device |
| CN108037537A (en) * | 2017-12-07 | 2018-05-15 | 宁波拓邦智能控制有限公司 | A kind of detecting system and mixer |
| CN113113899A (en) * | 2021-03-12 | 2021-07-13 | 南方电网科学研究院有限责任公司 | Method and device for protecting sudden change of direct-current transmission line and storage medium |
-
2015
- 2015-04-17 CN CN201520236403.6U patent/CN204578064U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703928A (en) * | 2017-11-22 | 2018-02-16 | 贵州智慧能源科技有限公司 | Control system and protection device |
| CN107703928B (en) * | 2017-11-22 | 2024-05-03 | 贵州智慧能源科技有限公司 | Control system and protection device |
| CN108037537A (en) * | 2017-12-07 | 2018-05-15 | 宁波拓邦智能控制有限公司 | A kind of detecting system and mixer |
| CN113113899A (en) * | 2021-03-12 | 2021-07-13 | 南方电网科学研究院有限责任公司 | Method and device for protecting sudden change of direct-current transmission line and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160417 |